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The amplified 1-bit signals sampled at 2.8224 MHz ensure
a frequency range of 5 Hz -- 100 kHz (+ 1 dB/-3 dB).
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Feeding back supply voltage fluctuations to the 7th-order delta-sigma
modulation LSI instantaneously corrects the 1-bit control signals
in real time.
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Applying powerful noise shaping based on a unique 7th-order delta-sigma
modulation LSI ensures 100 dB dynamic range in the audible band.
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Connecting SHARP's 1-bit amplifier and SACD player with a special
13-pin cable, SACD's 1-bit signal stream is transmitted directly and
amplified with virtually no signal deterioration or loss.
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Faithful tracking realises an excellent response and a fresh and
vivid sound threshold. Amplifying the precise 1-bit music information
reproduces the minutest details of the atmosphere of the recording
location.
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The SM-SX1 is compact and both power consumption and heat radiation
are extremely low -- making this amplifier very environmentally friendly.
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Heptahedrical and mirror-faced, the SM-SX1 is compact and slim thanks
to miniaturisation of parts and components. Companion to SHARP's SACD
player, the DX-SX1, the SM-SX1 is equipped with a unique, soft-round
volume control for precise and optimum ease of operation.
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Specifications |
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| Power Amplifier
Section |
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 Amplification
System
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64 fs 1-Bit Switching (fs = 44.1 kHz)
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Rated
Power Output
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50 W + 50 W
(8  ,
10 Hz -- 20 kHz, Both Channels Driven)
50 W + 50 W
(4 ,
20 Hz -- 20 kHz, Both Channels Driven)
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Frequency
Response
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5 Hz -- 20 kHz (+1 dB/-1 dB)
5 Hz -- 100 kHz (+1 dB/-3 dB)
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T.H.D.
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0.02% (at 1 kHz, 1 W)
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| Pre-Amplifier Section |
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Sensitivity
(Analogue Input)
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500 mV rms/50 k
(1 kHz, 50 W)
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Dynamic
Range
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100 dB (10 Hz -- 20 kHz)
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| Other Specifications |
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A/D
Noise Shaping
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7th-Order Delta-Sigma Modulation
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Sampling
Frequency
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2.8224 MHz (64 fs) (fs = 44.1 kHz)
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Master
Clock Frequency
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11.2896 MHz (256 fs) (fs = 44.1 kHz)
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Low-Pass
Filter
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4th-Order Butterworth Type
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Multi
-- 1-Bit Conversion
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32/44.1/48 kHz
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Power
Source
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AC 120 V, 60 Hz (North America)
AC 230 V, 50 Hz (Europe, Singapore)
AC 220 V, 50 Hz (Hong Kong)
AC 220 -- 240 V, 50/60 Hz (Others)
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Power
Consumption
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55 W (SM-SX1H/E/W)
51 W (SM-SX1)
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Input terminals
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Digital-1: RCA Coaxial
Digital-2: Square-Type Optical
Line-1, Line-2: RCA Analogue
SACD: RCA Analogue, 1-Bit Digital
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Output
terminals
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Digital: Square-Type Optical
Analogue: RCA
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Dimensions
(W x H x D)
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300 x 66 x 411 mm
(11-13/16" x 2-5/8" x 16-3/16")
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Weight
(Approx.)
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6.8 kg (15.0 lbs.)
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Design
and specifications are subject to change without prior notice.
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